Deploy Postgres and MySQL databases with PlanetScale + Workers

What this post added

This post announces the deeper integration of PlanetScale databases with Cloudflare Workers. Key technical contributions include: 1. Direct creation and billing of PlanetScale Postgres and MySQL databases from the Cloudflare dashboard and API, consolidating billing to Cloudflare accounts. 2. Enhanced integration with Hyperdrive, Cloudflare's database connectivity service, for managing connection pools and query caching. 3. The ability to configure explicit placement hints for Workers to execute closer to PlanetScale databases, reducing latency. 4. The use of `pg` client for Node.js to interact with PlanetScale Postgres databases via Workers bindings.